{"product_id":"2021-2027-bmw-m3-m4-carbon-fiber-rear-diffuser-g80-g82-g83","title":"2021-2027 BMW M3\/M4 Carbon Fiber Rear Diffuser (G80, G82, G83)","description":"\u003cp\u003eThe G8X's rear bumper does a lot of work visually, and then the diffuser underneath it is painted plastic with four exhaust tips that aren't.\u003c\/p\u003e\n\u003cp\u003eA Feral Auto design built from \u003cstrong\u003eautoclaved 2x2 pre-preg dry carbon fiber\u003c\/strong\u003e, shaped to the factory rear bumper and sized to fit the \u003cstrong\u003eG80 M3, G82 M4 and G83 M4 Convertible\u003c\/strong\u003e alike.\u003c\/p\u003e\n\u003cp\u003eCloses the car against the \u003ca href=\"\/products\/2021-2027-bmw-m3-m4-carbon-fiber-front-spoiler-g80-g82-g83\"\u003eCarbon Fiber Front Spoiler\u003c\/a\u003e at the other end.\u003c\/p\u003e\n\u003ch2\u003eWhy Autoclave Pre-Preg Dry Carbon Fiber\u003c\/h2\u003e\n\u003cp\u003ePre-preg carbon arrives with the resin already impregnated into the weave at a controlled ratio, so no resin is added by hand during layup — that is what makes it dry carbon. Curing it under heat and pressure in an autoclave consolidates the laminate and drives out trapped air that would otherwise show as flaws in the finished surface. Other processes introduce the resin at the mold, so the ratio is set during layup rather than before it.\u003c\/p\u003e\n\u003cp\u003eA diffuser is all fins, channels and inside corners. Those are exactly the geometries where hand-laid resin pools and cures thick, and where an autoclaved laminate keeps the weave consistent from the face of a fin down into the valley beside it.\u003c\/p\u003e\n\u003ch2\u003eAvailable Carbon Finishes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGloss (Standard)\u003c\/strong\u003e — our standard high-gloss 2x2 twill weave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatte Carbon\u003c\/strong\u003e — same weave, low-sheen matte finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Carbon\u003c\/strong\u003e — marbled, high-strength forged carbon pattern\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease note: Matte and Forged Carbon finishes are non-refundable once production has started.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCurrent Lead Time\u003c\/h2\u003e\n\u003cp\u003eCurrent estimated lead time is approximately \u003cstrong\u003e55-65 business days\u003c\/strong\u003e from order to ship.\u003c\/p\u003e","brand":"Feral Auto","offers":[{"title":"Standard Gloss","offer_id":48019042271476,"sku":"FRL-G8XRD","price":999.99,"currency_code":"USD","in_stock":true},{"title":"Matte Carbon (+$100)","offer_id":49276948840692,"sku":"FRL-G8XRD-MTE","price":1099.99,"currency_code":"USD","in_stock":true},{"title":"Forged Carbon (+$300)","offer_id":48019042304244,"sku":"FRL-G8XRD-FRG","price":1299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6550\/6036\/files\/Feral_BMWM3M4CarbonFiberRearDiffuser_1.jpg?v=1776718256","url":"https:\/\/feralauto.com\/products\/2021-2027-bmw-m3-m4-carbon-fiber-rear-diffuser-g80-g82-g83","provider":"Feral Auto","version":"1.0","type":"link"}